Apple iPhone 4

Apple’s iPhone 4 must be the thinnest smartphone today. It is almost 25 percent slimmer than the iPhone 3GS with a dimension of only 115.2 x 58.6 x 9.3 mm and weighs only 137 grams. It features the Retina display which is said to be the sharpest, liveliest, highest-resolution phone screen. iPhone 4 comes in a 3.5” (diagonal) widescreen Multi-Touch display with 960-by-640-pixel resolution at 326 pixels per inch and a contrast ratio of 800:1. It has volume controls on the side of the phone along with an accessible microSIM tray. This smartphone features an Apple-designed A4 CPU that follows along the lines of the processor that powers the iPad. The A4 processor enhances power management such that the iPhone 4 will manage 40 percent more talk time on 3G networks that is up to 7 hours, or up to 6 hours of 3G Web browsing or 10 hours of Wi-Fi browsing. With such processor, it can easily perform complex jobs such as multitasking, editing video, and placing FaceTime calls.

iPhone 4 is also capable of playing up to 10 hours of video and 40 hours of music. It offers quad-band HSDPA/HSUPA (850, 900, 1900, 2100 MHz) and supports 802.11n Wi-Fi, assisted GPS, Bluetooth, and packs an accelerometer, compass, proximity sensor, and an ambient light sensor. The iPhone 4 has also a built-in three-axis gyroscope which enables six-axis motion sensing such as user acceleration, full 3D attitude and rotation rate. The iPhone 4 is equipped with a 5 megapixel, 2592 x 1944 pixels, autofocus, LED flash camera with a backside-illuminated sensor. It has the capacity to record HD video at 720p resolution at 30 frames per second. It also features a front-facing camera which is perfect for making FaceTime calls and shooting self-portraits. iPhone 4 features an in-phone video editing and allow users to share videos over the Internet. Users can also add camera photos to their movies. The iMovie feature for iPhone allows users to add titles and transitions to their videos.

Posted 2010-10-02 and updated on Oct 02, 2010 5:45am by richard opinion

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